Home / 1,724,611,521.20-2,587,295,195.40-851,631,105.20

Finding the Fourth Proportional to 1,724,611,521.20, 2,587,295,195.40 and 851,631,105.20

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Solution

The fourth proportional to 1,724,611,521.20, 2,587,295,195.40 and 851,631,105.20 is: 1,277,633,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,611,521.20 : 2,587,295,195.40 = 851,631,105.20 : x
  2. Step 2: Convert to fraction form
    1,724,611,521.20/2,587,295,195.40 = 851,631,105.20/x
  3. Step 3: Cross multiply
    1,724,611,521.20x = 2,587,295,195.40 × 851,631,105.20
  4. Step 4: Simplify right side
    1,724,611,521.20x = 2,203,421,066,737,152,256
  5. Step 5: Solve for x
    x = 2,203,421,066,737,152,256/1,724,611,521.20
  6. Step 6: Final answer
    x = 1,277,633,275.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.